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    <head>
      <base href="https://bugs.freedesktop.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Xorg hang for several seconds when opening application window"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=105550">105550</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Xorg hang for several seconds when opening application window
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>eraserix@gmail.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=138153" name="attach_138153" title="dump of gpu error state">attachment 138153</a> <a href="attachment.cgi?id=138153&action=edit" title="dump of gpu error state">[details]</a></span>
dump of gpu error state

Just seen this GPU-hanger once, will report back if it occurs again. The
application was in the system tray and when I tried to open the window, the
system seemed frozen for several seconds.

$ uname -a
Linux ch10dd405 4.9.76-realtime-1-rt61 #1 SMP PREEMPT RT Wed Jan 17 14:36:24
CET 2018 x86_64 x86_64 x86_64 GNU/Linux

$ lsb_release -a 
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.5 LTS
Release:        14.04
Codename:       trusty

$ lspci -v | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Device 5912 (rev 04)
(prog-if 00 [VGA controller])

$ cat /proc/cpuinfo | grep "model name" -m 1
model name      : Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz


[145347.575536] [drm] GPU HANG: ecode 9:0:0x00775757, in Worklog Assista
[18034], reason: Hang on render ring, action: reset
[145347.575540] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[145347.575540] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[145347.575540] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[145347.575541] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[145347.575543] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[145347.575581] drm/i915: Resetting chip after gpu hang
[145347.575621] [drm] RC6 on
[145347.593831] [drm] GuC firmware load skipped
[145359.543380] drm/i915: Resetting chip after gpu hang
[145359.543422] [drm] RC6 on
[145359.561485] [drm] GuC firmware load skipped</pre>
        </div>
      </p>


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